.flex {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.flex_s {
  @extend .flex;
  justify-content: flex-start;
}
.flex_e {
  @extend .flex;
  justify-content: flex-end;
}
.flex_c {
  @extend .flex;
  justify-content: center;
}
.flex_b {
  @extend .flex;
  justify-content: space-between;
}
.flex_a {
  @extend .flex;
  justify-content: space-around;
}
.scroll-x {
  white-space: nowrap;
  width: 100%;
}
.mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  opacity: 0.3;
  z-index: 100;
}
.bgc {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.botLine {
  text-decoration: underline;
}
.delLine {
  text-decoration: line-through;
}
.r1 {
  white-space: nowrap !important;
  overflow: hidden;
  text-overflow: ellipsis;
}
.r2 {
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  text-align: left;
}
.r3 {
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 3;
  text-align: left;
}
h1,
h2,
h3,
h4 {
  font-weight: normal;
  margin-block-start: 0;
  margin-block-end: 0;
}
a,
p,
ul,
li,
span,
div,
body {
  margin: 0;
  padding: 0;
}
img {
  border: none;
}
a {
  color: black;
  text-decoration: none;
}
li {
  list-style: none;
}
a,
img {
  display: inline-block;
}
input {
  text-indent: 0;
  background: transparent;
  border: 0 none;
  resize: none;
  outline: none;
  -webkit-appearance: none;
  line-height: normal;
}
input:-webkit-input-placeholder {
  line-height: 0.44rem;
}
input:focus {
  color: #8b8791;
}
input[type="checkbox"] {
  -webkit-appearance: checkbox;
}
::-webkit-scrollbar {
  width: 0;
  height: 0;
}
::-webkit-scrollbar {
  display: none;
}
.clear:after {
  content: "";
  display: block;
  clear: both;
}
